EP2617086B1 - Batterie, boîtier de batterie et procédé de fabrication d'une batterie - Google Patents

Batterie, boîtier de batterie et procédé de fabrication d'une batterie Download PDF

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Publication number
EP2617086B1
EP2617086B1 EP12728955.1A EP12728955A EP2617086B1 EP 2617086 B1 EP2617086 B1 EP 2617086B1 EP 12728955 A EP12728955 A EP 12728955A EP 2617086 B1 EP2617086 B1 EP 2617086B1
Authority
EP
European Patent Office
Prior art keywords
battery
partition
flap
battery box
electrode plates
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP12728955.1A
Other languages
German (de)
English (en)
Other versions
EP2617086A1 (fr
Inventor
Manfred Gelbke
Peter Lang
Stefan Lang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Akkumulatorenfabrick Moll GmbH and Co KG
Original Assignee
Akkumulatorenfabrick Moll GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Akkumulatorenfabrick Moll GmbH and Co KG filed Critical Akkumulatorenfabrick Moll GmbH and Co KG
Priority to SI201231440T priority Critical patent/SI2617086T1/sl
Priority to PL12728955T priority patent/PL2617086T3/pl
Publication of EP2617086A1 publication Critical patent/EP2617086A1/fr
Application granted granted Critical
Publication of EP2617086B1 publication Critical patent/EP2617086B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/06—Lead-acid accumulators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/70—Arrangements for stirring or circulating the electrolyte
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/06—Lead-acid accumulators
    • H01M10/12—Construction or manufacture
    • H01M10/123—Cells or batteries with cylindrical casing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

  • the invention relates to a battery, in particular for motor vehicles, comprising a cell compartmentalized battery box, in the cells arranged electrode plates, an electrolyte liquid that surrounds the electrode plates, and means for mixing the electrolyte liquid in the cells, the device Includes a partition wall which forms a separate flow path from the electrode plates, an upper region with a lower region of the cell. Furthermore, the invention relates to a battery box for a battery according to the invention and to a method for producing such a battery.
  • the present invention is therefore based on the object, a battery of the generic type to design and further develop that effectively counteracted using a hydrostatic pumping effect of an unwanted acid stratification, with the least possible design effort.
  • a corresponding battery box for producing a device according to the invention Battery must be specified.
  • a method is to be specified which is particularly suitable for producing a battery designed according to the invention.
  • the above object is achieved with respect to the battery according to the invention by the features of patent claim 1.
  • the battery discussed above is characterized in that the partition in the upper region has a preferably extending over the entire width of the partition flap, which defines a part of the flow path together with adjacent inner walls of the battery box.
  • the unintentional acid stratification can be counteracted solely by constructive measures, namely by constructive improvement in the interior of the battery box, to produce a sufficiently good hydrostatic pumping effect.
  • the sloshing movement of the electrolyte fluid occurring during acceleration / deceleration or when cornering is used, namely to convey battery acid from above into the lower part of the respective cells, whereby an acid stratification is effectively counteracted.
  • the partition wall is modified in the upper area, namely in that the partition wall in the upper area, i. above the level of the electrolyte liquid, a flap is assigned, which defines a part of the flow path together with adjacent inner walls of the battery box.
  • the flap is ultimately an extension of the partition or an integral part of the partition, which is connected for example via a film hinge with the partition.
  • the flap In the operating state, the flap is inclined toward the electrode plates, so that, when the sloshing movement occurs, the electrolyte liquid initially splashes against the baffle formed by the flap and passes from there via the flap into a funnel formed by the flap.
  • the funnel offers for the subsequent flow path a kind of catchment area with increased volume. From the funnel, the electrolyte liquid is distributed in the region between the partition and the inner wall of the battery box and from there via the flow path thus formed in the lower region, more precisely under the electrode plates, whereby an effective mixing of the electrolyte liquid takes place.
  • the funnel formed by the flap inclined towards the electrode plates can absorb a considerable amount of electrolyte fluid, so that from there, i.a. weight-related, a significant flow down takes place, which in turn has an effective mixing of the electrolyte liquid in the lower part of each cell result. Adverse acid stratification is thus effectively counteracted.
  • a favorable for the pumping effect geometry is created here, namely by having a flap in the upper part having partition that can absorb enough fluid in the presence of sloshing of the electrolyte fluid and promote down.
  • the pumping effect realized in accordance with the invention can be further promoted by having the partition in the lower region, near the bottom or directly at the bottom, passages or breakthroughs as the acid outlet.
  • This measure functions functionally together with the flap formed in the upper area of the dividing wall and the separation of the flap area from the side wall of the battery box, so that the flap, hinged to the dividing wall, for example via a film hinge, moves more or less freely, namely toward the electrode plates is formed tiltable or foldable.
  • the partition wall forms with the flap and the side walls and the box outer wall separated from the electrode plates flow path or flow channel through which the acid is conveyed, namely the occurrence of the so far favorable slosh movement within the battery box.
  • the partition may be a separate component, which is inserted in the packaging of the battery or the battery box in the battery box and optionally glued.
  • the partition is an integral part of the battery box, for example, is injected into the battery box.
  • the flap which may be an integral part of the partition, namely connected via a film hinge with the partition wall.
  • first retaining lugs, catches or the like are formed on the inner side walls of the battery box, which hold the flap in a vertical installation position, preferably in a plane with the partition wall. In such a vertical or vertical position, the flap position, for example, secured by molded retaining lugs.
  • the battery packs or the electrode plates can be placed in the box, without disturbing the tilted in operation to the electrode plates out flap.
  • two further - second - retaining lugs, catches or the like are formed, which inclines the flap in an inclined working position, from the plane of the partition to the electrodes or pivoted hold.
  • This working position can be realized manually or automatically after assembly, so that the flap is in the inclined end position. In this position, the flap can be locked, so that a funnel required for the "scooping" in the sloshing movements of the electrolyte liquid is effectively formed, whereby an excellent working hydrostatic pump is realized.
  • the electrode plates are preferably spaced from the bottom of the battery box by means of rib-like spacers, so that a flow can be conducted under the electrode plates.
  • the spacers may be formed as rib-like prisms, so that the acid conveyed from behind behind the partition wall can flow under the electrode plates, whereby a mixing of the electrolyte liquid is favored again.
  • the independent claim 10 solves the underlying object, namely by fixing the flap in a mounting position, preferably in the plane of the dividing wall, before installing the electrode plate, and in that the flap after installation in a tilted from the plane of the partition to the electrode plates working position - manually or automatically - spent.
  • the battery produced by the process reference is made to the battery-related designs and features therein.
  • Fig. 1 shows a sectional side view, schematically, the basic structure of a battery according to the invention, which reveals the principle of operation of the electrolyte circulation with a built-in battery box hydrostatic pump.
  • the battery comprises a battery box 2 divided into cells 1, in which cells 1 electrode plates 3 are arranged.
  • the electrode plates 3 are - in the operating state of the battery - surrounded by an electrolyte liquid 4, more precisely by an acid.
  • a device for mixing the electrolyte liquid 4 comprising a partition wall 5 for forming a flow path between the partition wall 5 and the inner wall 6 of the battery box 2.
  • the partition wall 5 is provided in the upper region with a flap 7 which extends over the entire width of the partition wall 5 and which is fixedly connected to the partition wall 5 via a film hinge 8. Finally, the flap 7 is an integral part of the partition 5.
  • partition 5 is an injected component, which consists of the same material as the battery box 2.
  • Fig. 2 shows a schematic view of the battery box 2 with there integrated partition 5, wherein the flap 7 is locked in a vertical or upright mounting position.
  • 2 retaining lugs 12 are integrated into the inner wall 6 of the battery box, which are only indicated here. In this position, the in Fig. 2 Install the electrode plates 3, not shown.
  • Fig. 3 also shows a schematic view of the battery box 2 with integrated partition 5, where there the flap 7 is pivoted or inclined in the working position.
  • funnel 9 is already formed.
  • the flap 7 can be locked, namely again by provided on the inner wall 6 retaining lugs 13.
  • Die in Fig. 3 shown working position corresponds to the usual operating state of the battery according to the invention, wherein a change in the angular position of the flap 7 is not or no longer required.
  • Fig. 4 shows in a schematic view, opposite Fig. 1 a little more detail, the battery according to the invention with battery box 2 and indicated electrode plates. 3
  • the partition 5 is an integral part of the battery box 2, wherein the flap 7 is connected via a film hinge 8 fixed to the partition wall 5.
  • the flap 7 is in the tilted working position and is locked there.
  • FIG. 4 is formed by the flap 7 of the funnel 9, from which sloshing electrolyte liquid passes through the flow path 10 down and from there through in Fig. 4 not shown passages 11 can get into an area under the electrode plates 3.
  • Such a flow of the electrolyte liquid 4 is as shown in FIG Fig. 5 favors that the electrode plates 3 are spaced by means of rib-like spacer 14 to the bottom portion of the battery box 2, so that the electrode plates 3 each Cell 1 are underflowed.
  • the spacers 14 are preferably formed as rib-like prisms, on which the electrode plates 3 are positioned at a distance from the bottom of the battery box 2 and sit firmly in operation of the battery.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Filling, Topping-Up Batteries (AREA)
  • Secondary Cells (AREA)
  • Sealing Battery Cases Or Jackets (AREA)
  • Battery Mounting, Suspending (AREA)

Claims (10)

  1. Batterie, plus particulièrement, pour des véhicules automobiles, comprenant un boîtier de batterie (2) divisé en cellules (1), des plaques d'électrodes (3) disposées dans les cellules (1), un électrolyte liquide (4), qui entoure les plaques d'électrodes (3), et un dispositif de mélange de l'électrolyte liquide (4) dans les cellules (1), le dispositif comprenant une cloison (5) qui forme un trajet d'écoulement (10) séparé des plaques d'électrodes (3) et reliant en écoulement une partie supérieure et une partie inférieure de la cellule (1), la cloison (5) comprenant, dans la partie supérieure, un clapet (7) s'étendant de préférence sur toute la largeur de la cloison (5), qui définit, conjointement avec des parois internes (6) adjacentes du boîtier de batterie (2), une partie du trajet d'écoulement (10) et le clapet (7) étant reliée avec la cloison (5) par l'intermédiaire d'une charnière à film (8),
    caractérisée en ce que le clapet (7) forme, par rapport aux parois internes (6) du boîtier de batterie (2), une sorte d'entonnoir (9) pour l'absorption du clapotis de l'électrolyte liquide (4).
  2. Batterie selon la revendication, caractérisée en ce que la cloison (5) comprend, dans la partie inférieure, près du fond ou directement sur le fond, des passages (11).
  3. Batterie selon la revendication 1 ou 2, caractérisée en ce que la cloison (5) est emboîtée et, le cas échéant, collée dans le boîtier de batterie (2).
  4. Batterie selon la revendication 1 ou 2, caractérisée en ce que la cloison (5) est injectée dans le boîtier de batterie (2).
  5. Batterie selon l'une des revendications 1 à 4, caractérisée en ce que, au niveau des parois internes (6) du boîtier de batterie (2), des premiers embouts de maintien (12), des encliquetages ou autres sont réalisés, qui maintiennent le clapet (7) dans une position de montage verticale, de préférence dans un plan avec la cloison (5).
  6. Batterie selon l'une des revendications 1 à 5, caractérisée en ce que, au niveau des parois internes (6) du boîtier de batterie (2), des deuxièmes embouts de maintien (13), des encliquetages ou autres sont réalisés, qui maintiennent le clapet (7) dans une position de travail oblique, inclinée à partir du plan de la cloison (5) en direction des électrodes (3).
  7. Batterie selon l'une des revendications 1 à 6, caractérisée en ce que les plaques d'électrodes (3) sont écartées, de préférence au moyen d'entretoises (14) ayant la forme d'ailettes, du fond du boîtier de batterie (2).
  8. Batterie selon la revendication 7, caractérisée en ce que les entretoises (14) sont conçues comme des prismes en forme d'ailettes.
  9. Boîtier de batterie pour la fabrication d'une batterie avec les caractéristiques selon l'une des revendications 1 à 8.
  10. Procédé de fabrication d'une batterie selon l'une des revendications 1 à 8, caractérisé en ce que, avant le montage des plaques d'électrodes (3), le clapet (7) est fixé dans une position de montage, de préférence dans le plan de la cloison (5) et en ce que le clapet (7) est mis, après le montage, de manière manuelle ou automatique, dans une position de travail basculée à partir du plan de la cloison (5) en direction des plaques d'électrodes (3).
EP12728955.1A 2011-08-31 2012-05-24 Batterie, boîtier de batterie et procédé de fabrication d'une batterie Active EP2617086B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SI201231440T SI2617086T1 (sl) 2011-08-31 2012-05-24 Baterija, baterijska škatla in postopek za izdelavo baterije
PL12728955T PL2617086T3 (pl) 2011-08-31 2012-05-24 Akumulator, skrzynka akumulatora i sposób wytwarzania akumulatora

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011111516A DE102011111516A1 (de) 2011-08-31 2011-08-31 Batterie, Batteriekasten und Verfahren zur Herstellung einer Batterie
PCT/DE2012/200040 WO2013029608A1 (fr) 2011-08-31 2012-05-24 Batterie, boîtier de batterie et procédé de fabrication d'une batterie

Publications (2)

Publication Number Publication Date
EP2617086A1 EP2617086A1 (fr) 2013-07-24
EP2617086B1 true EP2617086B1 (fr) 2018-08-15

Family

ID=46330990

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12728955.1A Active EP2617086B1 (fr) 2011-08-31 2012-05-24 Batterie, boîtier de batterie et procédé de fabrication d'une batterie

Country Status (10)

Country Link
EP (1) EP2617086B1 (fr)
JP (1) JP5864751B2 (fr)
CN (1) CN103765634B (fr)
DE (1) DE102011111516A1 (fr)
ES (1) ES2692295T3 (fr)
HU (1) HUE040561T2 (fr)
PL (1) PL2617086T3 (fr)
SI (1) SI2617086T1 (fr)
TR (1) TR201815273T4 (fr)
WO (1) WO2013029608A1 (fr)

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US8908041B2 (en) 2013-01-15 2014-12-09 Mobileye Vision Technologies Ltd. Stereo assist with rolling shutters
JP2015176659A (ja) * 2014-03-13 2015-10-05 株式会社Ｇｓユアサ 鉛蓄電池
KR101916406B1 (ko) * 2017-08-23 2018-11-08 세방전지(주) 전해액의 유속 증가가 가능한 배터리용 전해액 혼합장치
KR101934215B1 (ko) * 2017-11-08 2018-12-31 경상대학교산학협력단 전해액 혼합장치
KR102150891B1 (ko) * 2018-07-11 2020-09-02 세방전지(주) 배터리 케이스의 전해액 혼합 지그 삽입 시스템 및 이를 이용한 배터리 케이스의 전해액 혼합 지그 삽입 방법

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Also Published As

Publication number Publication date
CN103765634B (zh) 2016-05-11
HUE040561T2 (hu) 2019-03-28
EP2617086A1 (fr) 2013-07-24
CN103765634A (zh) 2014-04-30
JP5864751B2 (ja) 2016-02-17
PL2617086T3 (pl) 2019-02-28
SI2617086T1 (sl) 2019-01-31
ES2692295T3 (es) 2018-12-03
WO2013029608A1 (fr) 2013-03-07
DE102011111516A1 (de) 2013-02-28
JP2014529168A (ja) 2014-10-30
TR201815273T4 (tr) 2018-11-21

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